Examples of Non-Functional Requirements

Product requirement

• All encryption shall use the Advanced Encryption Standard version x.

Organisational requirement

• The system development process and deliverable documents shall conform to the process and deliverables defined in coding and documentation standard XYZ.

External requirement

• The system shall not disclose any personal information about customers apart from their name and reference number to the operators of the system.

Performance requirement

• The system shall respond to a user’s request for information in less than 1 second during “peak-time” and 0.1 seconds during “normal time”.